The inital backup got to 5% but has been there for over an hour without progressing:
…, please wait patiently …
Searching NV4_DISP.CAT…
Searching dbInstaller.exe…

And that is as far as it has got. The top part scrolls just fine so the program does not seem to be hung. I would appreciate more feedback from a program if it does not report its status after just a few minutes; certainly cannot allow an hour without a report.